A.物理層,連接層,應(yīng)用層 B.物理層,控制層,連接層 C.控制層,連接層,應(yīng)用層 D.連接層,網(wǎng)絡(luò)層,應(yīng)用層
A.SCTP B.UDP C.RTP D.TCP
A.150.25.0.27 B.150.25.30.23 C.150.25.40.24 D.150.25.224.30